大约有 9,000 项符合查询结果（耗时：0.0151秒） [XML]
How to get an absolute file path in Python
...find the file's absolute path relative to the current working directory in Python? E.g. on Windows, I might end up with:
11...
deciding among subprocess, multiprocessing, and thread in Python?
I'd like to parallelize my Python program so that it can make use of multiple processors on the machine that it runs on. My parallelization is very simple, in that all the parallel "threads" of the program are independent and write their output to separate files. I don't need the threads to exchan...
How to prompt for user input and read command-line arguments [closed]
How do I have a Python script that a) can accept user input and how do I make it b) read in arguments if run from the command line?
...
Remove specific characters from a string in Python
I'm trying to remove specific characters from a string using Python. This is the code I'm using right now. Unfortunately it appears to do nothing to the string.
...
Python 3: UnboundLocalError: local variable referenced before assignment [duplicate]
...ng variable, but for reasons unknown (likely consistency in this context), Python treats it as an assignment). The Python interpreter sees this at module load time and decides (correctly so) that the global scope's Var1 should not be used inside the local scope, which leads to a problem when you try...
Permanently add a directory to PYTHONPATH?
... sys.path.append , the new directory will be added. However, once I close python, the list will revert to the previous (default?) values. How do I permanently add a directory to PYTHONPATH ?
...
What is the common header format of Python files?
I came across the following header format for Python source files in a document about Python coding guidelines:
4 Answers
...
Installing specific package versions with pip
I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it:
...
What is the difference between old style and new style classes in Python?
What is the difference between old style and new style classes in Python? When should I use one or the other?
8 Answers
...
pypi UserWarning: Unknown distribution option: 'install_requires'
Does anybody encounter this warning when executing python setup.py install of a PyPI package?
10 Answers
...